MP44A

Room2504InternationalScience&TechnologyBuilding,ShenNanMiddleRoad,Futian,ShenZhenTEL:[phone]/[phone]FAX:[phone]E-mail:[e-mail].00[2010.07.19]MP44AContentsBatteryProtectSolutionIC1.FeaturesPage12.OutlinePage23.PinAssignmentPage34.BlockDiagramPage35.AbsoluteMaximumRatingPage46.ElectricalCharacteristicsPage47.MeasuringCircuitPage98.OperationPage101)Overchargedetector(VD1)Page102)Overdischargedetector(VD2)Page103)Dischargeovercurrentdetector,Shortdetector(VD3,ShortDetector)Page114)ChargerovercurrentdetectorPage119.ApplicationCircuitPage1210.TimingChartPage1311.PackingSpecPage1512.PackageDescriptionPage1713.MarkingContentsPage18Rev.00[2010.07.19]MP44A-1-Features1.TheprotectionICandTheDual-NchMOSFETtousecommonDrainareintegratedintoOne-packagingIC.2.ReducedPin-Countbyfullyconnectinginternally.3.ApplicationPart1)ProtectionIC①UseshighwithstandvoltageCMOSprocess.-Thechargersectioncanbeconnecteduptoabsolutemaximumrating28V.②Detectionvoltageprecision-Overchargedetectionvoltage±25㎷(Ta=25℃),±45㎷(Ta=-30~70℃)-Overdischargedetectionvoltage±55㎷(Ta=25℃),±75㎷(Ta=-30~70℃)-Dischargingovercurrentdetectionvoltage±10㎷(Ta=25℃),±20㎷(Ta=-30~70℃)-Chargingovercurrentdetectionvoltage±20㎷(Ta=25℃),±40㎷(Ta=-30~70℃)③Built-indetectiondelaytimes-Overchargedetectiondelaytime1.00±0.20s(Ta=25℃),1.00[+0.50,－0.40]s(Ta=-30~70℃)-Overdischargedetectiondelaytime)20.0±4.0㎳(Ta=25℃),20.0[+10.0,－8.0]㎳(Ta=-30~70℃)-Dischargingovercurrentdetectiondelaytime)12.0±2.4㎳(Ta=25℃),12.0[+6,－4.8]㎳(Ta=-30~70℃)-Chargingovercurrentdetectiondelaytime)16.0±3.2㎳(Ta=25℃),16.0[+8.0,－6.4]㎳(Ta=-30~70℃)-Shortdetectiondelaytime)400[+160,－120]㎲(Ta=25℃),400[+400,－200]㎲(Ta=-30~70℃)④0Vchargefunctionisallowed⑤AutoWake-upfunctionisnotallowed2)FET①UsingadvancedtrenchtechnologytoprovideexcellentRDS(ON),lowgatechargeandoperationwithgatevoltageaslowas2.5Vwhileretaininga12VVGS(MAX).②TheprotectionforESD③Commondrainconfiguration④Generalcharacteristics-VDS(V)=24V-ID(A)=7A-RSS(ON)46mΩ(VGS=4.5V,ID=5A)-ESDRating:2000VHBMBatteryProtectSolutionICRev.00[2010.07.19]MP44A-2-OutlineThisisabatteryprotectsolutionICwhichisintegratedwithbuilt-intheprotectionICtousealithiumion/lithiumpolymersecondarybatteriesdevelopedfor1-cellseriesandDual-NchMOSFET.Itfunctionstoprotectthebatterybydetectingovercharge,overdischarge,dischargeovercurrent,chargeovercurrentandotherabnormalitiesasturningoffinternalNchMOSFET.TheprotectionICiscomposedoffourvoltagedetectors,shortdetectioncircuit,referencevoltagesources,oscillator,countercircuitandlogicalcircuits.TheCOUTpin(chargeFETcontrolpin)andDOUTpin(dischargeFETcontrolpin)outputsareCMOSoutput,andcandrivetheinternalNchMOSFETdirectly.TheCOUToutputbecomeslowlevelafterdelaytimefixedintheICifoverchargeisdetected.TheDOUToutputbecomeslowlevelafterdelaytimefixedintheICifoverdischarge,dischargeovercurrentorshortisdetected.Onoverchargestate,iftheVDDvoltageislessthantheoverchargereleasevoltage,theCOUToutputbecomeshighlevelafterdelaytimefixedintheIC.Onoverdischargestate,ifthevoltageofthebatteryrisesmorethantheoverdischargedetectionvoltagewithconnectingthecharger,theDOUToutputbecomeshighlevelafterdelaytimefixedintheIC.Chargingcurrentcanbesuppliedtothebatterydischargedupto0V.Oncedischargeovercurrentorshorthavebeendetected,ifthestateofdischargeovercurrentorshortisreleasedbyopeningtheloads,theDOUToutputbecomeshighlevelafterdelaytimefixedintheIC.Onoverdischargestate,thesupplycurrentisreducedaslessaspossible.Oncechargeovercurrenthasbeendetected,thestateofchargeovercurrentisreleasedbyopeningthechargerandsettingtheload.BatteryProtectSolutionICRev.00[2010.07.19]MP44A-3-PinAssignmentBlockDiagramBatteryProtectSolutionIC1N.C2Source1(sameasVSS)3Source24VDD5V―6Drain[Package:TEP-5L]Topview12534Bottomview6Rev.00[2010.07.19]MP44A-4-AbsoluteMaximumRating※TOPR=25℃,Source1(VSS)=0VElectricalCharacteristicsBatteryProtectSolutionICItemSymbolRatingUnitSupplyVoltageVDD-0.3~12VV-TerminalInputVoltageV-VDD-28~VDD+0.3VDSTerminalInputVoltageVDSVSS-0.3~VDD+0.3VCOUTTerminalOutputVoltageVCOUTVDD-28~VDD+0.3VDOUTTerminalOutputVoltageVDOUTVSS-0.3~VDD+0.3VOperationTemperatureTOPR-40~+85℃StorageTemperatureTSTG-55~+125℃Drain-SourceVoltageVDS24VGate-SourceVoltageVGS±12VItemSymbolMeasureConditionMin.Typ.Max.Unit*1InputVoltageOperatingInputVoltageVDD1VDD-VSS1.5-10.0VAMinimumOperatingVoltagefor0VChargingVSTVDD－V-,VDD-VSS=0V--1.2VAChannelONVoltageCOUTPinNchONVoltageVOL1IOL=30㎂,VDD=4.5V-0.40.5V-COUTPinPchONVoltageVOH1IOH=－30㎂,VDD=3.9V3.43.7-V-DOUTPinNchONVoltageVOL2IOL=30㎂,VDD=2.0V-0.20.5V-DOUTPinPchONVoltageVOH2IOL=－30㎂,VDD=3.9V3.43.7-V-CurrentConsumptionCurrentConsumptionIDDVDD=3.9V,V-=0V-3.06.0㎂LCurrentConsumptionatStand-ByISVDD=2.0VTOPR=25℃--0.1㎂LTOPR=-30~70℃--0.5OverChargeVoltageProtectionOverchargeDetectionVoltageVDET1R1=1.0㏀TOPR=25℃4.2504.2754.300VBTOPR=-30~70℃4.2304.2754.320OverchargeDetectionDelayTimetVDET1VDD=3.6V→4.6VTOPR=25℃0.801.001.20sBTOPR=-30~70℃0.601.001.50OverchargeReleaseDelayTimetVREL1VDD=4.6V→3.6VTOPR=25℃12.816.019.2㎳BTOPR=-30~70℃9.616.024.0Rev.00[2010.07.19]MP44A-5-Note: